Friday, April26, 2019 L-36.com


Marine Weather and Tides
Long Beach, WA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:05AMSunset 8:20PM Friday April 26, 2019 1:22 AM PDT (08:22 UTC) Moonrise 1:45AMMoonset 10:55AM Illumination 57% Phase: Waning Gibbous; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ210 Columbia River Bar- 856 Pm Pdt Thu Apr 25 2019
In the main channel.. - general seas...4 to 6 ft through Friday. - first ebb...around 1045 pm Thursday. Seas to 6 ft. - second ebb...around 1045 am Friday. Seas to 8 ft with breakers possible. - third ebb...around 1145 am Friday. Seas to 7 ft.
PZZ200 856 Pm Pdt Thu Apr 25 2019
Synopsis for the southern washington and northern oregon coast.. High pressure over the northeast pacific will remain through the weekend resulting in a northerly wind pattern that will produce steep and choppy seas at times.


7 Day Forecast for Marine Location Near Long Beach, WA
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location: 46.37, -124.05     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 260405
afdpqr
area forecast discussion
national weather service portland or
905 pm pdt Thu apr 25 2019

Updated aviation and marine sections
Synopsis Increasing west or northwesterly winds this evening will
bring more clouds overnight tonight and cooler temperatures on
Friday. We will continue to see cooler temperatures with a chance for
a few showers Saturday. Sunday we will see high pressure return
briefly, bringing back milder weather and sunnier skies for Sunday,
and we'll see a mix of Sun and clouds early next week with fairly
seasonable temperatures.

Short term Today through Sunday... A thermal trough is currently
positioned over the willamette valley and i-5 corridor in sw
washington. As this trough progresses eastward, expect increasing
westerly or northwesterly winds across the area, and an increase in
cloud cover overnight tonight. Friday, clouds should clear back out
late in the morning but temperatures will stay cooler due to onshore
winds helping to keep temperatures down. Saturday a stronger
upper-level trough swings down into washington, helping to bring a
fairly decent surge of marine stratus inland Saturday morning. this
could also bring a few showers to SW washington and far NW oregon.

Mainly north of salem.

Sunday, a shortwave ridge will move across the area, clearing skies
and bringing temperatures back up closer to seasonal normals. -mccoy

Long term Sunday night through Thursday... Models are in
general agreement large scale northerly flow will gradually become
more northwesterly through the week. This should result in an
increase in precipitation chances later in the week. Nonetheless, no
major storm systems appear on tap and it appears any rainfall would
be light if it were to occur. Expect high temperatures to generally
top out near average for the date next week despite the northerly
flow pattern.

In the meantime, it should be noted that models are in
decent agreement a shortwave trough dropping southward across the
area on Monday could bring a period of modest east winds Sunday
night before possibly a few showers occur over the higher terrain on
Monday or Monday night. Neuman

Aviation An upper level shortwave trough is approaching the
pac NW coast this evening. This feature is resulting in broken to
overcast high clouds moving onshore. The trough will move in
overnight, leading to increasing onshore flow. Expect marine
stratus to solidify along the coast through the night time hours.

The clouds are expected to push part way up the columbia river,
and may reach far enough to impact the interior TAF sites for a
short period Fri morning. The best chances would be for the pdx
metro area sites. Any MVFR conditions to do develop should
improve by around 18z, withVFR then expected through the
remainder of the day.

Kpdx and approaches... Broken to overcast high clouds to remain
over the region tonight. Onshore flow may bring marine stratus up
the columbia river. It looks less likely at this time that the
stratus will reach as far as kpdx, but can't completely rule it
out either. The best chance would appear to be in the 15z-18z
fri time frame. Otherwise, expectVFR conditions through the next
24 hrs. Pyle

Marine Northerly winds remain marginally at advisory
criteria across the outer waters, but less so closer to shore. As a
result, will not make any changes to current advisories for this
evening overnight. Seas continue to hold around 7 feet, but will
likely build another foot or two overnight. Meanwhile, dominant wave
periods will likely be around 7 to 9 seconds starting late tonight,
which will maintain rather steep conditions across at least a
portion of the waters. As a result, will leave the current advisory
for hazardous seas unchanged at this time, covering the outer waters
and the inner waters north of cascade head.

High pressure over the northeast pacific and thermal low pressure
over northern california will more or less continue through the
weekend and maintain the current weather pattern in place. This
should bring additional rounds of gusty northerly winds that will
generally peak each afternoon and evening across the waters,
particularly off the central oregon coast. Additional rounds of
especially steep and hazardous square seas will likely develop again
late Saturday afternoon and evening. As an upper level storm system
settles over the pacific northwest early next week, winds and seas
should subside across the waters during the early to middle part of
next week. Cullen neuman

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory for winds until 10 am pdt Friday for
waters from CAPE shoalwater wa to florence or from 10 to
60 nm.

Small craft advisory for hazardous seas until 9 pm pdt Friday
for waters from CAPE shoalwater wa to cascade head or from
10 to 60 nm.

Small craft advisory for hazardous seas until 4 pm pdt Friday
for coastal waters from CAPE shoalwater wa to cascade head
or out 10 nm-waters from cascade head to florence or from
10 to 60 nm.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46243 - Clatsop Spit, OR - 162 11 mi23 min 52°F6 ft
ASTO3 - 9439040 - Astoria, OR 19 mi35 min NW 8 G 9.9 52°F 54°F1020 hPa
TOKW1 - 9440910 - Toke Point, WA 24 mi35 min WNW 7 G 9.9 51°F 56°F1020.3 hPa
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 28 mi33 min NNW 18 G 19 51°F 53°F7 ft1020.9 hPa (+1.0)46°F
46211 - Grays Harbor, WA (036) 35 mi23 min 52°F6 ft
46248 - Astoria Canyon, OR (179) 36 mi23 min 53°F8 ft
WPTW1 - 9441102 - Westport, WA 37 mi47 min NNW 12 G 17 50°F 53°F1019.9 hPa

Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Astoria, Astoria Regional Airport, OR17 mi28 minNW 810.00 miMostly Cloudy51°F43°F74%1020.4 hPa

Wind History from AST (wind in knots)
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Last 24hrCalmSE3CalmCalmSE3CalmE4NE4NE7NE7NE7N4NW17NW15NW15
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1 day agoN8N8N11N8N5N7N7N9N55NW8
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NW12NW15NW16NW17NW15NW15NW12NW11NW9CalmSE3CalmCalm
2 days agoS6S6S9SW7
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Tide / Current Tables for Tarlatt Slough, Willapa Bay, Washington
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Tarlatt Slough
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Fri -- 01:52 AM PDT     3.77 feet Low Tide
Fri -- 02:45 AM PDT     Moonrise
Fri -- 06:10 AM PDT     Sunrise
Fri -- 07:02 AM PDT     7.54 feet High Tide
Fri -- 11:56 AM PDT     Moonset
Fri -- 02:38 PM PDT     1.03 feet Low Tide
Fri -- 03:19 PM PDT     Last Quarter
Fri -- 08:18 PM PDT     Sunset
Fri -- 08:48 PM PDT     6.95 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.643.84.45.66.57.27.57.36.55.34321.21.11.93.14.45.76.76.96.66

Tide / Current Tables for Fort Canby, Jetty A, Columbia River, Washington
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Fort Canby
Click for Map
Fri -- 02:44 AM PDT     Moonrise
Fri -- 05:56 AM PDT     6.95 feet High Tide
Fri -- 06:10 AM PDT     Sunrise
Fri -- 11:56 AM PDT     Moonset
Fri -- 12:58 PM PDT     1.02 feet Low Tide
Fri -- 03:19 PM PDT     Last Quarter
Fri -- 08:10 PM PDT     6.35 feet High Tide
Fri -- 08:18 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.34.55.15.86.46.876.65.74.43.12.11.311.3234.15.266.36.25.75.2

Weather Map and Satellite Images
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GOES Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for Portland, OR (4,6,7,8)
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Ground Weather Radar Station Portland, OR
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.